Igor Shoshin/Shutterstock.comFaraday bags use the same principles as a Faraday cage to prevent wireless signals from leaving or reaching your devices. So what are the reasons to use one, and how is it different from turning the device off or using airplane mode? How Faraday Bags Work Faraday bags are essentially portable, flexible Faraday cages. A Faraday cage, named after scientist Michael Faraday, blocks electromagnetic waves from reaching anything inside it. These cages work by surrounding an object with a conductive metal mesh. When an electromagnetic field encounters the cage, it’s conducted around the objects inside. If you were struck by a bolt of lightning while inside a Faraday cage, you’d be completely unharmed as the energy is diverted around you. Ideally, the cage should be… Click below to read the full story from How To Geek
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